OpenTechnical

OT-2026-000057570

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, vented before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000057570) never changes.

Identity and time

Publication numberOT-2026-000057570 · never reused
Internal UUID01a0ae88-2693-7a9d-8184-f91d6f07b802 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057570
StatusPUBLIC

Content hashes

Canonical texta9e15d0b4cc5a1367588990296c315beb7f2a6eadde02430bad52503693b006c
Markdown483159c2ce0837d7a8543cd3d3757b046ba79fd19bef4922d8aa9cc08774f9f2
PDF
Publication page0686924205b2793e9dc91e4c46013a6ee180fda595047b0867a49458aabde599
Manifest449159577cd3befa10e7932004f4fcea2a4ac9e6cc36ba74fc9edd35941c0895

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturewOlcAXHPr8QLh0Kb+Cug5htPaDn1p4qwRj+rSJAd1xdXXeM0RBN1oMdg/ZB1ps7munjU1rzQ3qEMyQomGbuvAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:48:06.853970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057570
observed 0686924205b2793e9dc91e4c46013a6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:06.836383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057570/manifest.json
observed 449159577cd3befa10e7932004f4fcea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:06.818675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057570/publication.md
observed 483159c2ce0837d7a8543cd3d3757b04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:06.800761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057570/publication.txt
observed a9e15d0b4cc5a1367588990296c315be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.